i2c.h 1.8 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (C) Copyright 2012
  4. * Texas Instruments, <www.ti.com>
  5. */
  6. #ifndef _I2C_AM33XX_H_
  7. #define _I2C_AM33XX_H_
  8. #define I2C_BASE1 0x44E0B000
  9. #define I2C_BASE2 0x4802A000
  10. #define I2C_BASE3 0x4819C000
  11. #define I2C_DEFAULT_BASE I2C_BASE1
  12. struct i2c {
  13. unsigned short revnb_lo; /* 0x00 */
  14. unsigned short res1;
  15. unsigned short revnb_hi; /* 0x04 */
  16. unsigned short res2[5];
  17. unsigned short sysc; /* 0x10 */
  18. unsigned short res3[9];
  19. unsigned short irqstatus_raw; /* 0x24 */
  20. unsigned short res4;
  21. unsigned short stat; /* 0x28 */
  22. unsigned short res5;
  23. unsigned short ie; /* 0x2C */
  24. unsigned short res6;
  25. unsigned short irqenable_clr; /* 0x30 */
  26. unsigned short res7;
  27. unsigned short iv; /* 0x34 */
  28. unsigned short res8[45];
  29. unsigned short syss; /* 0x90 */
  30. unsigned short res9;
  31. unsigned short buf; /* 0x94 */
  32. unsigned short res10;
  33. unsigned short cnt; /* 0x98 */
  34. unsigned short res11;
  35. unsigned short data; /* 0x9C */
  36. unsigned short res13;
  37. unsigned short res14; /* 0xA0 */
  38. unsigned short res15;
  39. unsigned short con; /* 0xA4 */
  40. unsigned short res16;
  41. unsigned short oa; /* 0xA8 */
  42. unsigned short res17;
  43. unsigned short sa; /* 0xAC */
  44. unsigned short res18;
  45. unsigned short psc; /* 0xB0 */
  46. unsigned short res19;
  47. unsigned short scll; /* 0xB4 */
  48. unsigned short res20;
  49. unsigned short sclh; /* 0xB8 */
  50. unsigned short res21;
  51. unsigned short systest; /* 0xBC */
  52. unsigned short res22;
  53. unsigned short bufstat; /* 0xC0 */
  54. unsigned short res23;
  55. };
  56. #define I2C_IP_CLK 48000000
  57. #define I2C_INTERNAL_SAMPLING_CLK 12000000
  58. #endif /* _I2C_AM33XX_H_ */